C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/50 (2006.01) B01J 31/02 (2006.01) C07C 253/30 (2006.01)
Patent
CA 2128465
Abstract Process for preparing fluorobenzonitriles Fluorobenzonitriles and chlorofluorobenzonitriles are prepared in an advantageous manner from the corresponding chlorobenzonitriles and an alkali metal fluoride in a chlorine-fluorine exchange reaction, by catalyzing the reaction with a quaternary ammonium compound comprising at least one alkoxypolyoxyalkyl radical.
Papenfuhs Theodor
Pfirmann Ralf
Schach Thomas
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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